Re: 05 Escalade 6.0 manifold bolts broken?

I just put some american racing long tubes on this past weekend i had broken factory bolts. I wasnt able to get them out with out taking my heads off completely.. Then i drilled all the way threw the center of the bolts and then welded a nut on and they spun out easy.. Replaced all my manifold bolts with a ARP bolt kit from summit racing. It wasnt very hard to do.. I replaced alot of gaskets and the knock sencors while i was in there!

Re: 05 Escalade 6.0 manifold bolts broken?

Alright, I just stumbled across this thread and decided to take a look at mine... Sure enough, one of the bolts on the rear of the drivers manifold is snapped off.. DOH!!! However, its not leaking yet, and only the head of the bolt broke off, so when I pull the manifold I hopefully should be able to get the remainder of it out with a pair of pliers. If not, I'm going to laugh if i have to pull the cylinder head, because this was the last vehicle out of the several I own that i was expecting to do an engine teardown on anytime soon!

But anyways.. For you guys who tackled this yourselves: Did the remaining bolts unscrew without a fight? Or did they break off too?

Alright, I just stumbled across this thread and decided to take a look at mine... Sure enough, one of the bolts on the rear of the drivers manifold is snapped off.. DOH!!! However, its not leaking yet, and only the head of the bolt broke off, so when I pull the manifold I hopefully should be able to get the remainder of it out with a pair of pliers. If not, I'm going to laugh if i have to pull the cylinder head, because this was the last vehicle out of the several I own that i was expecting to do an engine teardown on anytime soon!

But anyways.. For you guys who tackled this yourselves: Did the remaining bolts unscrew without a fight? Or did they break off too?

My manifold isn't leaking yet either and I hope it don't as I do not want to have to teardown the engine just for a few bolts

Re: 05 Escalade 6.0 manifold bolts broken?

My manifold isn't leaking yet either and I hope it don't as I do not want to have to teardown the engine just for a few bolts

If it ain't leaking I wouldn't mess with it till it did

Mine isn't leaking yet...except in cold start i can hear it until it warms up. The only reason i am jumping on it now is because the bolts are cracked off, with the head sticking out vs. sheared completely off.

Re: 05 Escalade 6.0 manifold bolts broken?

Well all mine were sticking out just the head of the bolt was popped off all 3 of them! When removing the manifold i hit 1 an it broke off in the actual head. I welded a nut to the other 2 bolts.. One spun right out, the other broke of in the head. I ended up taking the heads off, drilling a hole threw the centers of bolts to relieve some of the bolts pressure so it would retracked a little, then welded on top of the bolt and built it nack up to the top of the hole and proceeded to weld nuts on to them.. When the welds cooled down i took a wrench an spun them right out!

All in all, this is a easy job to do with the right tools! I know not everybody doesnt own a mig welder or know how to weld for that matter.. So you may need to take the heads off and take them to a welding shop or machine shop!

I DONT NOT ADVISE ANYBODY TO USE EASY OUTS!! They are made of a stronger harder metal and when they break off in the bolts its not easy to drill them out because they are so hard!

Now my method is not advised for people who arent very good with a welder! Im not responsible for your mess ups if you do it this way!

Well all mine were sticking out just the head of the bolt was popped off all 3 of them! When removing the manifold i hit 1 an it broke off in the actual head. I welded a nut to the other 2 bolts.. One spun right out, the other broke of in the head. I ended up taking the heads off, drilling a hole threw the centers of bolts to relieve some of the bolts pressure so it would retracked a little, then welded on top of the bolt and built it nack up to the top of the hole and proceeded to weld nuts on to them.. When the welds cooled down i took a wrench an spun them right out!

All in all, this is a easy job to do with the right tools! I know not everybody doesnt own a mig welder or know how to weld for that matter.. So you may need to take the heads off and take them to a welding shop or machine shop!

I DONT NOT ADVISE ANYBODY TO USE EASY OUTS!! They are made of a stronger harder metal and when they break off in the bolts its not easy to drill them out because they are so hard!

Now my method is not advised for people who arent very good with a welder! Im not responsible for your mess ups if you do it this way!

Good luck
Dalton

Having the knowledge you is a good thing for this issue I mentioned it to the mechanic at my dealer and he said if it ain't leaking not to worry but he did say that they had seen it before but my truck was the first caddy they had seen with broken bolt heads

Re: 05 Escalade 6.0 manifold bolts broken?

They may not leak at the moment.. But eventually they WILL start to leak! Mine did not leak for the first 1 1/2 i owned it, but then they started leaking on cold starts in the mornings.. From there it only gets worse! Any GM truck, suv platform vehicle in 1999- 2006 with 4.8L 5.3L and 6.0L has this problem. Including caddys! I would try welding a nut on each one before i tear down the motor! Gaskets for these are kinda expensive.

They may not leak at the moment.. But eventually they WILL start to leak! Mine did not leak for the first 1 1/2 i owned it, but then they started leaking on cold starts in the mornings.. From there it only gets worse! Any GM truck, suv platform vehicle in 1999- 2006 with 4.8L 5.3L and 6.0L has this problem. Including caddys! I would try welding a nut on each one before i tear down the motor! Gaskets for these are kinda expensive.

Dalton

Where are you guys located? Cali here.. Is weather a contributing factor? Im just over 200k. I may pull the manifolds anyway before i have any issues

Where are you guys located? Cali here.. Is weather a contributing factor? Im just over 200k. I may pull the manifolds anyway before i have any issues

I am in northern Tennessee

----------

Originally Posted by capriRS

They may not leak at the moment.. But eventually they WILL start to leak! Mine did not leak for the first 1 1/2 i owned it, but then they started leaking on cold starts in the mornings.. From there it only gets worse! Any GM truck, suv platform vehicle in 1999- 2006 with 4.8L 5.3L and 6.0L has this problem. Including caddys! I would try welding a nut on each one before i tear down the motor! Gaskets for these are kinda expensive.

Dalton

I hope they don't anytime soon since I have had my truck for over two years but if they do I will get a set of aftermarket manifolds at the time with better bolts